Texas Gardening: ID request - purple flowers, red stems,, 1 by Diffus

Diffus wrote:
Can anyone identify this plant for me? It grows in my father-in-law's backyard in Fort Worth. It grows to three or four feet and is either a perennial or reseeding annual -- there are several in the bed. It has single purple two-inch flowers that collapse after blooming into tubes. The major stems are beet red. Seeds are one per bloom, about 1/4", black, and fall easily when ready. It faces south but gets some shade from a tree overhead and, late in the summer, a shed to the west. The picture was taken this morning (11-13-11). Thanks for any help.

This message was edited Nov 13, 2011 12:36 PM

This message was edited Nov 13, 2011 12:38 PM